<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript" src="scripts/jquery-1.4.1.js"></script>
<script type="text/javascript">
$(function() {
$("#Button1").click(function() {
$tr = $("#con tr:has(input[type=file]):last");
$newTr = $tr.clone();
$tr.after($newTr)
;
});
$("#Button2").click(function() {
$num = $("#con tr:has(input[type=file])").length;
if ($num < 2) {
return;
}
$("#con tr:has(input[type=file]):last").remove();
})
;
})
</script>
</head>
<body>
<form id="form1" runat="server">
<input id="Button1" type="button" value="增加" />
<input id="Button2" type="button" value="删除" />
<table class="style1" id="con">
<tr>
<td>
<input id="File1" type="file" /></td>
<td>
</td>
</tr>
<tr>
<td>
</td>
<td>
</td>
</tr>
</table>
</form>
</body>
</html>
